72668585198 has 16 divisors (see below), whose sum is σ = 119084342400. Its totient is φ = 32983366200.

The previous prime is 72668585137. The next prime is 72668585233. The reversal of 72668585198 is 89158586627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374898 + ... + 2405301.

It is an arithmetic number, because the mean of its divisors is an integer number (7442771400).

Almost surely, 2^72668585198 is an apocalyptic number.

72668585198 is a deficient number, since it is larger than the sum of its proper divisors (46415757202).

72668585198 is a wasteful number, since it uses less digits than its factorization.

72668585198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780903.

The product of its digits is 58060800, while the sum is 65.

The spelling of 72668585198 in words is "seventy-two billion, six hundred sixty-eight million, five hundred eighty-five thousand, one hundred ninety-eight".